

package com.hazelcast.internal.ascii.memcache;

import com.hazelcast.internal.ascii.AbstractTextCommand;
import com.hazelcast.internal.ascii.TextCommandConstants;

import java.nio.ByteBuffer;

import static com.hazelcast.internal.nio.IOUtil.copyToHeapBuffer;

public class SetCommand extends AbstractTextCommand {
    private final String key;
    private final int flag;
    private final int expiration;
    private final int valueLen;
    private final boolean noreply;
    private final ByteBuffer bbValue;
    private ByteBuffer response;

    public SetCommand(TextCommandConstants.TextCommandType type, String key, int flag, int expiration, int valueLen, boolean noreply) {
        super(type);
        this.key = key;
        this.flag = flag;
        this.expiration = expiration;
        this.valueLen = valueLen;
        this.noreply = noreply;
        bbValue = ByteBuffer.allocate(valueLen);
    }

    @Override
    public boolean readFrom(ByteBuffer src) {
        copyToHeapBuffer(src, bbValue);
        if (!bbValue.hasRemaining()) {
            while (src.hasRemaining()) {
                char c = (char) src.get();
                if (c == '\n') {
                    bbValue.flip();
                    return true;
                }
            }
        }
        return false;
    }

    public void setResponse(byte[] value) {
        this.response = ByteBuffer.wrap(value);
    }

    @Override
    public boolean writeTo(ByteBuffer dst) {
        if (response == null) {
            response = ByteBuffer.wrap(TextCommandConstants.STORED);
        }
        while (dst.hasRemaining() && response.hasRemaining()) {
            dst.put(response.get());
        }
        return !response.hasRemaining();
    }

    @Override
    public boolean shouldReply() {
        return !noreply;
    }

    public int getExpiration() {
        return expiration;
    }

    public String getKey() {
        return key;
    }

    public byte[] getValue() {
        return bbValue.array();
    }

    public int getFlag() {
        return flag;
    }

    @Override
    public String toString() {
        return "SetCommand [" + type + "]{" + "key='" + key + '\'' + ", flag=" + flag + ", expiration=" + expiration + ", valueLen=" + valueLen + ", value=" + bbValue + '}' + super.toString();
    }
}



